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wt: patch web-transport-proto header interop for Cloudflare relay

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every.channel 2026-02-18 01:28:57 -08:00
parent aa4bddcba0
commit 523c601dc3
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17 changed files with 2567 additions and 2 deletions
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18
third_party/web-transport-proto/src/error.rs vendored Normal file
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@ -0,0 +1,18 @@
// WebTransport shares with HTTP/3, so we can't start at 0 or use the full VarInt.
const ERROR_FIRST: u64 = 0x52e4a40fa8db;
const ERROR_LAST: u64 = 0x52e5ac983162;
pub const fn error_from_http3(code: u64) -> Option<u32> {
if code < ERROR_FIRST || code > ERROR_LAST {
return None;
}
let code = code - ERROR_FIRST;
let code = code - code / 0x1f;
Some(code as u32)
}
pub const fn error_to_http3(code: u32) -> u64 {
ERROR_FIRST + code as u64 + code as u64 / 0x1e
}